DE69906927T2 - Zwischenverstärker eines OFDM-Übertragungssignals und Empfänger - Google Patents

Zwischenverstärker eines OFDM-Übertragungssignals und Empfänger

Info

Publication number
DE69906927T2
DE69906927T2 DE1999606927 DE69906927T DE69906927T2 DE 69906927 T2 DE69906927 T2 DE 69906927T2 DE 1999606927 DE1999606927 DE 1999606927 DE 69906927 T DE69906927 T DE 69906927T DE 69906927 T2 DE69906927 T2 DE 69906927T2
Authority
DE
Germany
Prior art keywords
receiver
transmission signal
ofdm transmission
intermediate amplifier
amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE1999606927
Other languages
English (en)
Other versions
DE69906927D1 (de
Inventor
Masaru Suga
Seiji Isobe
Takeshi Sawada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE69906927D1 publication Critical patent/DE69906927D1/de
Application granted granted Critical
Publication of DE69906927T2 publication Critical patent/DE69906927T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/0014—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0028—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage
    • H04B1/0039—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at baseband stage using DSP [Digital Signal Processor] quadrature modulation and demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15585—Relay station antennae loop interference reduction by interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Noise Elimination (AREA)
DE1999606927 1999-03-25 1999-12-28 Zwischenverstärker eines OFDM-Übertragungssignals und Empfänger Expired - Lifetime DE69906927T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8141199 1999-03-25

Publications (2)

Publication Number Publication Date
DE69906927D1 DE69906927D1 (de) 2003-05-22
DE69906927T2 true DE69906927T2 (de) 2003-12-24

Family

ID=13745606

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999606927 Expired - Lifetime DE69906927T2 (de) 1999-03-25 1999-12-28 Zwischenverstärker eines OFDM-Übertragungssignals und Empfänger

Country Status (3)

Country Link
EP (1) EP1039716B1 (de)
CN (1) CN1254029C (de)
DE (1) DE69906927T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
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FI20002272A (fi) * 2000-10-13 2002-04-14 Nokia Corp Menetelmä toistimen muodostamiseksi ja lähetinvastaanotinyksikkö
WO2003021833A1 (fr) * 2001-08-28 2003-03-13 Matsushita Electric Industrial Co., Ltd. Appareil et procede pour eliminer les perturbations dues a la propagation par trajets multiples
GB0200238D0 (en) * 2002-01-07 2002-02-20 Imec Inter Uni Micro Electr Device for improving wireless outdoor-to-indoor digital communication
US6690310B1 (en) * 2003-02-13 2004-02-10 Northrop Grumman Corporation Method and apparatus for adaptively compensating for an inaccuracy in an analog-to-digital converter
CN100382438C (zh) * 2003-07-15 2008-04-16 Kddi株式会社 用于中继器的干涉信号抑制回路、程序及中继器
JP2005039336A (ja) * 2003-07-15 2005-02-10 Kddi Corp 干渉信号抑圧回路およびプログラム
GB0510385D0 (en) 2005-05-20 2005-06-29 British Broadcasting Corp Improvements relating to on-channel repeaters
CN101009512A (zh) * 2006-01-24 2007-08-01 华为技术有限公司 无线中转通信正交频分复用接入系统及方法
WO2007091562A1 (ja) * 2006-02-06 2007-08-16 Sony Corporation 復調装置、方法及びプログラム
WO2008091556A1 (en) 2007-01-24 2008-07-31 Powerwave Technologies, Inc. Adaptive echo cancellation for an on-frequency rf repeater using a weighted power spectrum
BRPI0808538A2 (pt) 2007-03-02 2014-08-26 Qualcomm Inc Configuração de um repetidor
KR100873487B1 (ko) 2007-05-09 2008-12-15 한국전자통신연구원 동일채널 중계장치 및 그 방법
JP5394882B2 (ja) * 2009-10-27 2014-01-22 シャープ株式会社 受信機及び受信方法
DE112009005385B4 (de) * 2009-11-17 2014-07-17 Mitsubishi Electric Corporation Funkkommunikationsvorrichtung
JP5670149B2 (ja) * 2010-06-09 2015-02-18 株式会社日立国際電気 無線機
US8516349B2 (en) 2010-09-02 2013-08-20 Microsoft Corporation Generation and application of a sub-codebook of an error control coding codebook
JP5706527B2 (ja) * 2010-09-02 2015-04-22 マイクロソフト コーポレーション 誤り制御符号化コードブックのサブコードブックの生成及び適用
US8761233B2 (en) * 2012-06-08 2014-06-24 Raytheon Company Wideband low latency repeater and methods
CN106571778A (zh) * 2016-11-01 2017-04-19 航天恒星科技有限公司 一种Ka波段上变频装置和上变频方法
CN108833020B (zh) * 2018-07-23 2019-12-24 中国电子科技集团公司第五十四研究所 光发射机iq调制器偏置控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1235751A (en) * 1985-01-09 1988-04-26 Junji Namiki One frequency repeater for a digital microwave radio system with cancellation of transmitter-to-receiver interference
US4776032A (en) * 1985-05-15 1988-10-04 Nippon Telegraph And Telephone Corporation Repeater for a same frequency with spillover measurement
EP0215479B1 (de) * 1985-09-18 1991-09-11 Nec Corporation Funkrelais mit nur einer Frequenz für ein digitales Funksystem
EP0613266B1 (de) * 1993-02-08 2001-06-13 Koninklijke Philips Electronics N.V. OFDM-Empfänger mit Ausgleichung von differenziellen Verzögerungen
GB9522198D0 (en) * 1995-10-30 1996-01-03 British Broadcasting Corp Ofdm active deflectors

Also Published As

Publication number Publication date
CN1254029C (zh) 2006-04-26
DE69906927D1 (de) 2003-05-22
CN1268821A (zh) 2000-10-04
EP1039716A1 (de) 2000-09-27
EP1039716B1 (de) 2003-04-16

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)